National Toxicology Program Cancer Hazard Assessment Report on Night Shift Work and Light at Night

Source avec lien : National Toxicology Program, 2021-04.

Le NTP a utilisé des méthodes d’examen systématique et des critères établis pour parvenir à ses conclusions sur les risques de cancer, à savoir que (1) le travail de nuit persistant peut provoquer un cancer du sein chez les femmes et (2) certaines conditions d’éclairage peuvent être liées au cancer.

According to the Centers for Disease Control and Prevention, more than 10 million adults in the U.S. frequently work night shifts. Frequent night shift work is more common among men, blacks, and non-Hispanics. Night shift work may contribute to almost 12,000 new breast cancer cases per year in the U.S. The link between night shift work and breast cancer among black women is a research gap. Exposure to indoor electric lighting is nearly ubiquitous in our society. Findings from the National Sleep Foundation show that 90% of Americans use some type of electronic device a few nights per week within one hour of bedtime. In 2016, satellite imaging data of the Earth at night (see Figure 5) indicated that more than 99% of the U.S. population lived under light-polluted skies at night. NTP used systematic review methods and established criteria to reach its cancer hazard conclusions which are that (1) persistent night shift work can cause breast cancer in women and (2) certain lighting conditions may be linked to cancer.

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